#include <bits/stdc++.h>
using namespace std;

#define NAME "duel"
typedef long long ll;
const int INF = 2e9;
const ll LINF = 4e18;
const int MAXN = 1e5 + 5;

int n, a[MAXN];
int cnt[MAXN];
int ans = 0;

int main(){
    freopen(NAME ".in", "r", stdin);
    freopen(NAME ".out", "w", stdout);
    
    cin >> n;
    for (int i = 0; i < n; i++){
        cin >> a[i];
        cnt[a[i]]++;
        ans = max(ans, cnt[a[i]]);
    }
    cout << ans << endl;
    return 0;
}